add coinbase wallet connector tests

packages/react-celo/__tests__/connectors/coinbase-wallet.test.ts

@@ -0,0 +1,85 @@
+import { CeloContract } from '@celo/contractkit/lib/base';
+import crypto from 'crypto';
+import { generateTestingUtils } from 'eth-testing';
+
+import { CoinbaseWalletConnector } from '../../src/connectors';
+import { Alfajores, Baklava, localStorageKeys } from '../../src/constants';
+import { getTypedStorageKey } from '../../src/utils/local-storage';
+
+const ACCOUNT = '0xf61B443A155b07D2b2cAeA2d99715dC84E839EEf';
+
+const testingUtils = generateTestingUtils({
+  providerType: 'default',
+  verbose: false,
+});
+
+// eslint-disable-next-line @typescript-eslint/no-unsafe-return
+jest.mock('@coinbase/wallet-sdk', () => ({
+  ...jest.requireActual('@coinbase/wallet-sdk'),
+  CoinbaseWalletSDK: jest.fn(() => ({
+    makeWeb3Provider: () => testingUtils.getProvider(),
+  })),
+}));
+
+describe('CoinbaseWalletConnector', () => {
+  beforeAll(() => {
+    // @ts-expect-error global override
+    global.crypto = crypto;
+    Object.defineProperty(global.self, 'crypto', {
+      value: {
+        getRandomValues: (arr: number[]) => crypto.randomBytes(arr.length),
+      },
+    });
+
+    testingUtils.mockNotConnectedWallet();
+    testingUtils.mockAccounts([ACCOUNT]);
+    testingUtils.mockRequestAccounts([ACCOUNT]);
+    testingUtils.lowLevel.mockRequest('wallet_switchEthereumChain', {});
+  });
+
+  afterEach(() => {
+    // Clear all mocks between tests
+    testingUtils.clearAllMocks();
+  });
+
+  it('initialises', async () => {
+    const connector = new CoinbaseWalletConnector(
+      Alfajores,
+      CeloContract.GoldToken
+    );
+    await connector.initialise();
+    expect(connector.account).toEqual(ACCOUNT);
+    expect(connector.initialised).toBe(true);
+  });
+
+  describe('when network change', () => {
+    let connector: CoinbaseWalletConnector;
+    beforeEach(() => {
+      testingUtils.mockConnectedWallet([ACCOUNT]);
+      connector = new CoinbaseWalletConnector(
+        Alfajores,
+        CeloContract.GoldToken
+      );
+    });
+
+    it('sets network in local storage and in connection', async () => {
+      await connector.updateKitWithNetwork(Baklava);
+      expect(getTypedStorageKey(localStorageKeys.lastUsedNetwork)).toEqual(
+        Baklava.name
+      );
+    });
+
+    const callback = jest.fn();
+
+    it('reacts to network being changed from CoinbaseWallet side', async () => {
+      connector.onNetworkChange(callback);
+
+      // Seems to only work when  init is called after the callback is set
+      await connector.initialise();
+
+      testingUtils.mockChainChanged('0x1');
+
+      expect(callback).toHaveBeenLastCalledWith(1);
+    });
+  });
+});

yarn.lock

@@ -6133,7 +6133,7 @@ eventemitter3@4.0.4:
   resolved "https://registry.yarnpkg.com/eventemitter3/-/eventemitter3-4.0.4.tgz#b5463ace635a083d018bdc7c917b4c5f10a85384"
   integrity sha512-rlaVLnVxtxvoyLsQQFBx53YmXHDxRIzzTLbdfxqi4yocpSjAxXwkU0cScM5JgSKMqEhrZpnvQ2D9gjylR0AimQ==
 
-eventemitter3@^4.0.4:
+eventemitter3@^4.0.4, eventemitter3@^4.0.7:
   version "4.0.7"
   resolved "https://registry.yarnpkg.com/eventemitter3/-/eventemitter3-4.0.7.tgz#2de9b68f6528d5644ef5c59526a1b4a07306169f"
   integrity sha512-8guHBZCwKnFhYdHr2ysuRWErTwhoN2X8XELRlrRwpmfeY2jjuUN4taQMsULKUVo1K4DvZl+0pgfyoysHxvmvEw==